11/14/2012 AT 6:00 AM ET
Pink took a break from mommy duties to perform at Sony Studios in Culver City,Calif., benefitting the Margie Petersen Breast Center at Saint John’s Health Center on Monday.
The “Blow Me (One Last Kiss)” singer wore a black long-sleeved top and a black leather skirt to perform an 11-song set. The star-studded audience included Heather Locklear, Valerie Bertinelli, Melanie Griffith and Rita Wilson.
“It’s been a while since I sang. I’m usually in sweatpants singing ‘Shoo Fly, Don’t Bother Me,’” joked the mother of 17-month-old old Willow.
Earlier in the night, Locklear and Bertinelli were seen sitting together and chatting in the VIP area close to the stage.
Guests at the event enjoyed hors d’oeuvres by Wolfgang Puck, including tuna tartare, crab cakes, mini sliders, and fire-roasted eggplant tarts, as well as cocktails and Stella Artois.
Getting ready for the #PowerOfPinkBenefit and so thankful for all of the support and donations and we bout to bring it girls and boys
P!nk (@Pink) November 13, 2012
– Gabrielle Olya
— People magazine (@peoplemag) August 7, 2012